. >>> casey anthony is not expected to appear in a florida courtroom later today during an appeal hearing. anthony was convicted on four counts of lying to investigators about the disappearance of her daughter in 2008. her attorneys argued that the statements were made before she was advised of her rights. >>> and some medical news, now. and another clue in the battle against alzheimer's. new research finds that beta blockers, those are prescription drugs used to treat high blood pressure, may help protect the brain against alzheimer's and other forms of dementia. a similar study found beta blockers also slowed down the rate of cognitive decline in aging brains. >>> and with heartfelt apologies to my notre dame alum partner here, it is time, mercifully for sports news. >> here's espn news with the highlights from last night's bcs championship. >> cassidy hubbarth here with your "sportscenter" update. and notre dame looking for its first national title in 24 years. but they would have to take down defending champion alabama. and on the tide's opening drive, eddie lacy, up the middle. 20 ya